White Roofs Catch On as Energy Cost Cutters

“Studies show that white roofs reduce air-conditioning costs by 20 percent or more in hot, sunny weather. Lower energy consumption also means fewer of the carbon dioxide emissions that contribute to global warming.

What is more, a white roof can cost as little as 15 percent more than its dark counterpart, depending on the materials used, while slashing electricity bills”

via nytimes

I’d like to find a way to make a roof that can switch from black to white depending on season. Thus providing the most efficient option for homes and buildings.

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